TY - CPAPER AU - Jean-Noël Thépaut AU - P. Courtier AU - R.H. Hoffman BT - Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992 CY - Shinfield Park, Reading DA - 1992 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1992 SP - 237 EP - 270 T2 - Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992 TI - Use of dynamical information in a 4D variational assimilation ER -